Hogy néz ki az fstab-od, esetleg nem a partuuid hivatkozás van benne? Az ugyanis változhat egy ilyen parted-del történő resize után, fel is hívja erre a figyelmet a parted kilépéskor. Ha így van, akkor az fstab update-je kell és a bootloader tudtára is kell adnod (nincs raspberrym, de google alapján a /boot/cmdline.txt esélyes).
# losetup --partscan /dev/loop0 /tmp/test.img
# cat /proc/partitions
major minor #blocks name
7 0 1048576 loop0
259 0 498976 loop0p1
# blkid
/dev/loop0p1: PARTUUID="b1024fe5-01"
# parted /dev/loop0
GNU Parted 3.4
Using /dev/loop0
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p
Model: Loopback device (loopback)
Disk /dev/loop0: 1074MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 512MB 511MB primary
(parted) resizepart 1 100%
(parted) p
Model: Loopback device (loopback)
Disk /dev/loop0: 1074MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 1074MB 1073MB primary
(parted) quit
Information: You may need to update /etc/fstab.
# cat /proc/partitions
major minor #blocks name
7 0 1048576 loop0
259 1 1047552 loop0p1
# blkid
/dev/loop0p1: PARTUUID="780bdd38-01"
#